The party enters a world much different than the one many of them left 3 years ago. Many cities have been abandoned. Those cities that are still occupied are under martial law to a large extent.
People are very afraid of the world, and for good
In short, this homebrew was intended for beginner GM's. The story contains a variety of elements in sequence that gradually go through different terrains, battle situations, and other challenges to allow a DM to become familiar with the rules.
The heroes are called to investigate a young man's claim that something from the sea kidnapped his fiancé while he was visiting her at a remote village. What was it, and will the heroes be its next victims?